Dealing with Data

Question 1

Tick

Answer 1

Successful Bid/Ask transaction

Question 2

Stock Split Adjusted Close

Answer 2

Divide value by split amount to get accurate relative adjusted closing price

Question 3

Dividend Adjustment

Answer 3

Divide be percentage of dividend

Question 4

Survivor Bias

Answer 4

Testing algorithm using market data accounting for current companies in data set, but not accounting for companies that went away